Merge pull request #21260 from Quatadah/dolicloud-qnasdami-scrutinizer-009

BUG FIX : changing function name to existing one (2)

htdocs/core/class/stats.class.php

@@ -233,6 +233,12 @@ abstract class Stats
 		return $data;
 	}
 
+	/**
+	 * @param	int     $year           year number
+	 * @return 	int						value
+	 */
+	protected abstract function getAverageByMonth($year);
+
 	/**
 	 * Return average of entity by month for several years
 	 *